GENERAL KNOWLEDGE

Detailed explanation-1: -The correct answer is Main Frame. This computer is used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing.

Detailed explanation-2: -For example, a banking institution could use a mainframe to host the database of its customer accounts, for which transactions can be submitted from any of thousands of ATM locations worldwide. Businesses today rely on the mainframe to: Perform large-scale transaction processing (thousands of transactions per second)

Detailed explanation-3: -Mainframe computers are used in banks, telecom sector, institutions, libraries, etc.

Detailed explanation-4: -At their core, mainframes are high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time. The mainframe is critical to commercial databases, transaction servers, and applications that require high resiliency, security and agility.